#!/usr/local/bin/python3
# -*- coding: UTF-8 -*-
"""
@author:apple
@file:demo03.py
@time:2022/02/08
"""


def add(a,b,c = 2):
    ...
    print(a,b,c)


def sub(a,*,b = 2,c):
    ...
    print(a,b,c)

def test01():
    ...
    add(a= 1,c = 3,b= 2)
    sub(1,c=1,b=1)


if __name__ == '__main__':
    pass
    test01()
